What heat is required to cause water of 250 g to be boiled. The initial  temperature of water is 20°C? /Give the answer in [kJ]/

Q: How much heat must be added to a 2 kg block of ice at -11°C to change it to water at 24°C? A) 230…

A: Heat added is

Q: A ring hole 1.81 cm in diameter at temprature 13 °C is cut in a sheet of copper (a = 17 x 10-0 c-1).…

A: Ans:-Image-1

Q: Can ice be colder than 0 degree C ? What is the temperature of the an ice- water mixture?

A: The temperature of ice can go down to 273 degree which is zero Kelvin or absolute zero.

Q: A 100 g block of copper (copper=385 J/kgK)  at 900°C is placed into an insulated container with some…

A: According to principle of calorimetry Heat given by hot body = heat taken by cold body

Q: A man with an average body temperature of 36.8°C drinks 450 ml of 7.0°C cold water. Ignoring his…

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Q: Following vigorous exercise, the body temperature of an 80.0 kg person is 40.0 °C . At what rate in…

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Q: A 100 g block of copper (c_copper=385 J/kgK) at 900°C is placed into an insulated container with…

A: When two objects or bodies with different temperatures come into contact with each other, the heat…

Q: A 4.00 kg block of ice at 0.00 C falls into the ocean and melts. The average temperature of the…

A: The  change in entropy of the world is 60 J/K

Q: An icebox made of 1:5 cm thick styrofoam has dimensions 60 cm x 60 cm x 30 cm. It contains ice at…

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Q: A spherical pot of hot coffee contains 0.75 L of liquid (essentially water) at an initial…

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Q: How much energy is required to change a 20-g ice cube from ice at  −40°C to steam at 105°C? In MJ

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Q: 10. A 0.500-kg of ice is initially at temperature of -8.0 °C. How much heat is required to melt…

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Q: Water at an average temperature of 23C flows through a 10-cm diameter pipe that is 2.5m long. The…

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Q: consider a liner temperature scale X have -75.5•X of boiling point of water and -190•X freezing…

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Q: A 1.0kg lead (specific heat = 130 J/kg.(C°y1 at 80.0°C is placed in 2.0kg of water at 20.0°C. The…

A: Comment: Since we only answer 1 question, we will answer the first one. Please resubmit the other…

Q: Ice melts to liquid water at O.0°C and it absorbs 0.334kJ of heat per gram. Suppose the heat needed…

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Q: Two different samples have the same mass and temperature. Equal quantities of energy are absorbed as…

A: The formula used to calculate the heat energy is given as, Q=mcTf-Ti Here, m is the mass of samples…

Q: On a linear X temperature scale, water freezes at -149.0°X and boils at 315.0°X. On a linear Y…

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Q: Two cubes, silver and iron, have the same mass and temperature. A quantity Q of heat is removed from…

A: Two cubes , one silver , one iron . Mass and temperature is same . Heat is removed from each cube .…

Q: Water with a mass of 0.500 kg at 15.0 degrees C is mixed with 0.800 kg of water t 35.0 degrees C.…

A: According to the thermodynamic principle under equilibrium condition, the sum of the heat gained by…

Q: The triple points of neon and carbon dioxide are 24.57 K and 216.55 K respectively. Express these…

A: From Kelvin to Celcius:

Q: A steel pipe has a length of 46 m at a temperature of 15°C. An adjacent Aluminum pipe at the same…

A: Length of steel pipe: Ls=46 mLength of aluminum pipe=Laat T1=15°C, La-Ls= 4.25 mm=4.25×10-3 mWe need…

Q: Can you show me this solution, I’m not sure how to work this problem.

A: Given:

Q: A 500 g piece of silver at 150°C is submerged in 1000 g of water at 5°C to be cooled. Determine the…

A: Given : Mass of silver(Ms) = 500 g Temperature of silver (Ts)  = 150 °C Mass of water(Mw) = 1000 g…

Q: In 1986, a gargantuan iceberg broke away from the Ross Ice Shelf in Antarctica. It was approximately…

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Q: On a linear X temperature scale, water freezes at -145.0°X and boils at 425.0°X. On a linear Y…

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Q: Soda from a mS = 12 oz can at temperature TS = 20.5°C is poured in its entirety into a glass…

A: A. The mass of the soda in kg is

Q: Heat is being added to 300 g of ice at 0°c at the ratio of 105 J/s. How long will it take to…

A:

Q: A long steel I-beam used in bridge construction has a length of 17.0 m. The beam may be exposed to…

A: Given, Length = 17.0 m lowest temperature = -23 degree celsius  giher temperature = 40 degree…

Q: Before going in for an annual physical, a 70.0-kgkgperson whose body temperature is 37.0∘C Consumes…

A: Given:Mass of the person = 70 kgTemperature of the person = 37o C…

Q: Oxygen condenses into a liquid at approximately 90 K. What temperature, in degrees Fahrenheit, does…

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Q: It takes 880 J to raise the temperature of 350 g of lead from 0C to 20C. What is the specific heat…

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Q: 1200eal) - The thermos jug contains 300 grams of coffee (mainly water) at 2% 90 degrees, in this jug…

A: if the specific heat of material is c mass is m and if the temperature of material is changed by T…

Q: During a marathon race David uses energy at a rate of 292 W. What volume of body fluid does he lose…

A: Given: The energy used by device is P=292 W. The time is t=5.5 hours. The percentage of the energy…

Q: a resting person has skin temperature 35C if his room temperature is 30C and the body surface area…

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Q: Which substance can cause a more sever burn to exposed (bare) tissue/skin, 100 °C steam or 100 °C…

A: 100 °C steam causes a more severe burn to exposed (bare) tissue/skin.

Q: A 50.0 g thermometer is used to measure the temperature of 120 mL of water. The specific heat of the…

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Q: A slab concrete in a highway is 6.0-m. What will be it change in length during the summer season at…

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Q: The volume of a copper cube of side length 20 cm increases by 2.7 x 10-5 m³ as it is heated. What…

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Q: An open container holds ice of mass 0.520 kg at a temperature of -19.3 °C. The mass of the container…

A: Given data: Mass of the ice, m=0.520 kg Change in temperature, ΔT=0--19.3=19.3C∘ Heat supplied,…

Q: 20°C 25°C During day time, water is colder than the sand. Which has higher specific heat capacity,…

A: Water has higher heat capacity, as it requires more heat to raise its temperature.

Q: A 60.0-kg runner expends 359 W of power while running a marathon. Assuming 12.5% of the energy is…

A: Given: The mass of the runner is 60.0 kg. The power of the body is 359 W. The percentage of energy…

Q: A blacksmith cools a chunk of iron initially at 650 degrees celsius by trickling water from a jug…

A: Given data: Initial temperature of iron chunk is, T1=650∘C. The temperature of water is, T2=15∘C.…

Q: A Styrofoam ice box has a total area of 0.950 m^2 and walls with an average thickness of 2.50 cm.…

A: Assume that the conductivity of metal is 0.010 W/mK. Rate of heat can be expressed as…

Q: The length of expansion (in meters) of a 2m copper pipe if its temperature is raised from 23°C to…

A: original length (Lo) = 2 m initial temperature = 23oC final temperature = 978oC α = 1.66×10-5…

Q: 2.63 A student in the laboratory plans to exert a vacuum in the head space above a surface of water…

A: It is given that absolute pressure in the tank is, P = 10,400 Pa = 1 N/m² Temperature in the lab, T…

Q: How many kilograms of water is needed to raise its temperature by 25C when energy expense is…

A: Given:  Temperature raise (ΔT) = 25 °C Heat Energy (Q) = 3.9 × 104 J Unknown: Mass of water (m) =?